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2 years ago

A rocket is launched in to the air with an initial upward velocity of 375 ft/s, from ground

Mathematics

1 answer:

pshichka [43]2 years ago

5 0

Answer:

h(t)=-16t^2+375t

Step-by-step explanation:

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What 2+2 pleas help emergeacny

saveliy_v [14]

Answer:4

Step-by-step explanation:

i think?

maybe 5

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2 years ago

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Xelga [282]

Number is an isosceles triangle number seven is a right angle triangle number 9 I believe is a scalene triangle number 10 is a right angle triangle I also believe 11 is a scalene triangle and I believe number 8 is equilateral triangle

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3 years ago

(4x - 3) × (x + 2)=0

matrenka [14]

Hi,

AxB = 0 means A=0. or B=0

so 2 solutions :

4x-3= 0

4x=3

x = 3/4

and x+2 = 0.

x= -2

solutions are : -2 +and 3/4

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2 years ago

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Let n be a natural number. Show that 3 | n3 −n

Vladimir [108]

Let $n=1$ . Then $n^3-n=1^3-1=0$ . By convention, every non-zero integer $n$ divides 0, so $3\vert n^3-n$ .

Suppose this relation holds for $n=k$ , i.e. $3\vert k^3-k$ . We then hope to show it must also hold for $n=k+1$ .

You have

$(k+1)^3-(k+1)=(k^3+3k^2+3k+1)-(k+1)=(k^3-k)+3(k^2+k)$

We assumed that $3\vert k^3-k$ , and it's clear that $3\vert 3(k^2+k)$ because $3(k^2+k)$ is a multiple of 3. This means the remainder upon divides $(k+1)^3-(k+1)$ must be 0, and therefore the relation holds for $n=k+1$ . This proves the statement.

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2 years ago

Paul is 4 years older than Melissa, who is 26 years older

Nuetrik [128]

Answer: Eve is 3

Melissa is 29. (3 + 26 = 29)

Paul is 33 ( 29 + 4 = 33)

3+ 29 + 33 = 65

Step-by-step explanation:

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3 years ago